TY  - JOUR
AU  - P. Oswald
TI  - The norm in $C$ of orthogonal projections onto subspaces of polygonal functions
JO  - Matematičeskie zametki
PY  - 1977
SP  - 495
EP  - 502
VL  - 21
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1977_21_4_a5/
LA  - ru
ID  - MZM_1977_21_4_a5
ER  -